0.1 Early marine entry (summer purse seine)

Download raw purse seine data with genetic results from here: https://github.com/khdavidson/A20/blob/main/outputs/R_OUT%20-%20PFN_DFO_FTFjuvi_2023_verified%20WITH%20RESULTS.xlsx


0.1.1 Catch overview

The following purse seine events occurred in 2023:

Table 1: 2023 purse seining events in Port Renfrew.
date_start
2023-06-28
2023-07-07
2023-07-20
2023-08-09
2023-08-23


Most Chinook were encountered in late June, with a later bump in catch in mid-August. Forage fish (herring, smelts) were the most common species, followed by Chinook and then Sandlance (one large catch on July 7). Purse seining likely started too late to encounter other salmon species (Coho, Chum) (see 1).

2023 purse seine catch composition off Port Renfrew (Port San Juan). Numbers above bars represent total daily catch across all sets.

Figure 1: 2023 purse seine catch composition off Port Renfrew (Port San Juan). Numbers above bars represent total daily catch across all sets.


0.1.2 Chinook catch and biosamples (in progress)

Very few adipose-clipped hatchery Chinook were encountered, but clipped fish were generally larger than unclipped fish. However, note that on July 7, all fish with DNA results returned were hatchery-origin San Juan (1 clipped, 20 unclipped), with the exception of 1 unclipped Washington-origin hatchery fish (Willapa River).

2023 purse seine catch composition in Port Renfrew of chinook only.

Figure 2: 2023 purse seine catch composition in Port Renfrew of chinook only.


Size of Chinook (marked and unmarked) in 2023 purse seine samples in Port Renfrew.

Figure 3: Size of Chinook (marked and unmarked) in 2023 purse seine samples in Port Renfrew.

GSI stock comps only from the samples collected July 7. Reminaing samples still in process.

Figure 4: GSI stock comps only from the samples collected July 7. Reminaing samples still in process.



0.2 First marine winter (trawl/microtrolling)

Figure 5: Juvenile chinook GSI/CWT stock ID results for October 2021 and 2022 trawl surveys. Data from J. King, PBS. Do not distribute without permission.




Appendix: Outstanding genetic samples 2023 !!!

GSI results recently returned were only available for July 7th purse seining. Still waiting on the remaining days:

method date collected DNA vial Results returned? 1=yes, 0=no
PFN beach seine 2023-06-15 Q1206 0
PFN beach seine 2023-06-15 Q1207 0
PFN beach seine 2023-06-15 Q1208 0
PFN beach seine 2023-06-15 Q1209 0
PFN beach seine 2023-06-15 Q1210 0
PFN beach seine 2023-06-15 Q1211 0
PFN beach seine 2023-06-15 Q1212 0
PFN beach seine 2023-06-15 Q1213 0
PFN beach seine 2023-06-15 Q1214 0
PFN beach seine 2023-06-15 Q1215 0
PFN beach seine 2023-06-16 Q1151 0
PFN beach seine 2023-06-16 Q1152 0
PFN beach seine 2023-06-16 Q1153 0
PFN beach seine 2023-06-16 Q1154 0
PFN beach seine 2023-06-16 Q1155 0
PFN beach seine 2023-06-16 Q1156 0
PFN beach seine 2023-06-16 Q1157 0
PFN beach seine 2023-06-16 Q1158 0
PFN beach seine 2023-06-16 Q1159 0
PFN beach seine 2023-06-16 Q1160 0
PFN beach seine 2023-06-16 Q1161 0
PFN beach seine 2023-06-16 Q1162 0
PFN beach seine 2023-06-16 Q1163 0
PFN beach seine 2023-06-16 Q1164 0
PFN beach seine 2023-06-16 Q1165 0
CCFS purse seine 2023-07-07 P9608 1
CCFS purse seine 2023-07-07 P9609 1
CCFS purse seine 2023-07-07 P9610 1
CCFS purse seine 2023-07-07 P9611 1
CCFS purse seine 2023-07-07 P9612 1
CCFS purse seine 2023-07-07 P9613 1
CCFS purse seine 2023-07-07 P9614 1
CCFS purse seine 2023-07-07 P9615 1
CCFS purse seine 2023-07-07 P9616 1
CCFS purse seine 2023-07-07 P9617 1
CCFS purse seine 2023-07-07 P9618 1
CCFS purse seine 2023-07-07 P9619 1
CCFS purse seine 2023-07-07 P9620 1
CCFS purse seine 2023-07-07 P9621 1
CCFS purse seine 2023-07-07 P9622 1
CCFS purse seine 2023-07-07 P9623 1
CCFS purse seine 2023-07-07 P9624 1
CCFS purse seine 2023-07-07 P9625 1
CCFS purse seine 2023-07-07 P9626 1
CCFS purse seine 2023-07-07 P9627 1
CCFS purse seine 2023-07-07 P9628 1
CCFS purse seine 2023-07-20 Q1166 0
CCFS purse seine 2023-07-20 Q1167 0
CCFS purse seine 2023-07-20 Q1168 0
CCFS purse seine 2023-07-20 Q1169 0
CCFS purse seine 2023-07-20 Q1170 0
CCFS purse seine 2023-07-20 Q1171 0
CCFS purse seine 2023-08-09 Q1172 0
CCFS purse seine 2023-08-09 Q1173 0
CCFS purse seine 2023-08-09 Q1174 0
CCFS purse seine 2023-08-09 Q1175 0
CCFS purse seine 2023-08-09 Q1176 0
CCFS purse seine 2023-08-09 Q1177 0
CCFS purse seine 2023-08-09 Q1178 0
CCFS purse seine 2023-08-09 Q1179 0
CCFS purse seine 2023-08-09 Q1180 0
CCFS purse seine 2023-08-09 Q1181 0
CCFS purse seine 2023-08-09 Q1182 0
CCFS purse seine 2023-08-09 Q1183 0
CCFS purse seine 2023-08-09 Q1184 0
CCFS purse seine 2023-08-09 Q1185 0
CCFS purse seine 2023-08-09 Q1186 0
CCFS purse seine 2023-08-09 Q1187 0
CCFS purse seine 2023-08-09 Q1188 0
CCFS purse seine 2023-08-23 P9630 0
CCFS purse seine 2023-08-23 P9632 0